This circuit was originally designed to measure capacitance with an ICL7107 but can be used with other digital modules. The circuit is from Electronics Now magazine from November 1996.
Found on an 80's Elektor, this circuit uses common components, being the diode a general purpose...
This 1.6 GHz oscillator with 40 mW of output power was found in a Popular Electronics from...
Found in a 90’s Popular Electronics, this circuit uses two CMOS inverters to generate a signal of...